5n-78=12-5n

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Solution for 5n-78=12-5n equation: 



5n-78=12-5n

We move all terms to the left:

5n-78-(12-5n)=0

We add all the numbers together, and all the variables

5n-(-5n+12)-78=0

We get rid of parentheses

5n+5n-12-78=0

We add all the numbers together, and all the variables

10n-90=0

We move all terms containing n to the left, all other terms to the right

10n=90

n=90/10

n=9

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